Two children have died and nine others have been injured in a brutal knife attack on a children’s dance workshop in the English city of Southport. Additionally, two adults who attempted to protect the children were also wounded, according to BBC reports. Six of the injured children and two adults are in critical condition. A 17-year-old boy has been arrested on suspicion of murder and attempted murder. The police have stated that the motive for the attack is unclear, but it is not being treated as terrorism-related. The Prince and Princess of Wales have called the attack horrific and appalling…